[ 1457.700442][  T535] gre: GRE over IPv4 demultiplexer driver
[ 1458.165423][  T558] ip_gre: GRE over IPv4 tunneling driver
[ 1473.813806][ T1143] ip6_gre: GRE over IPv6 tunneling driver
[ 1481.220662][ T1486] ping (1486) used greatest stack depth: 22480 bytes left
[ 1484.068593][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1486.051563][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1487.907568][    C0] ip6_tunnel: tep0 xmit: Local address not yet configured!
[ 1489.892565][    C2] ip6_tunnel: tep0 xmit: Local address not yet configured!